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Monitoring Biomimetic Platinum Nanocluster Formation Using Mass Spectrometry and Cluster‐Dependent H 2 Production
Author(s) -
Kang Sebyung,
Lucon Janice,
Varpness Zachary B.,
Liepold Lars,
Uchida Masaki,
Willits Debbie,
Young Mark,
Douglas Trevor
Publication year - 2008
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.200802481
Subject(s) - triethanolamine , iridium , mass spectrometry , platinum , chemistry , cluster (spacecraft) , catalysis , photochemistry , analytical chemistry (journal) , chromatography , organic chemistry , computer science , programming language
Matter of size : Platinum nanocluster formation inside protein cages (LiDps protein) was monitored by noncovalent mass spectrometry. The Pt clusters catalyze hydrogen formation in presence of an iridium photosensitizer (PS; see scheme, TEOA=triethanolamine), and their catalytic activity depends on the cluster size.